Home / 13,020.02-19,526.93-5,620.43

Finding the Fourth Proportional to 13,020.02, 19,526.93 and 5,620.43

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Solution

The fourth proportional to 13,020.02, 19,526.93 and 5,620.43 is: 8,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.02 : 19,526.93 = 5,620.43 : x
  2. Step 2: Convert to fraction form
    13,020.02/19,526.93 = 5,620.43/x
  3. Step 3: Cross multiply
    13,020.02x = 19,526.93 × 5,620.43
  4. Step 4: Simplify right side
    13,020.02x = 109,749,617.44
  5. Step 5: Solve for x
    x = 109,749,617.44/13,020.02
  6. Step 6: Final answer
    x = 8,429.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.